Learn about this topic in these articles:

role in Mexican history

General Manuel Ávila Camacho, whom Cárdenas supported, and General
Juan Andreu Almazán fought a close and bitter contest for the presidency in 1940. When Almazán lost, he sought U.S. support for a revolution. But to emphasize the U.S. position toward Ávila Camacho and Mexico, Roosevelt sent Vice President Henry A. Wallace to attend the inauguration. When...